Machine for forming beaded eaves-troughs.



iS Inounted in arInS 1, pivoted oentTally to the endS of the iixed jW-forner, So that the roll nlay be svvung up aJnd foroed to trave1 nnder preSSure upon and around the forner fo thereby bend the blank into tho trongh, S Shovvn by dotfed 1iIleS in 1 ig. 2. TheSe rn1S are oonneoted by a haod-bar 15, and the Toll iS II1onnted in SlotS 16 in the rInS, vvheteby in its normal poSition it iS Sef away froII1 the fixed forI er fo unoover the bed-for1ing bar to plaoo tho bar in poSition and the blank in itS groove. In thiS poSition the Svving-ro11 restS Upon the top of the rook-jaW, and the Slofted nnS are thereby Inaintained horizonta1 for handHng them to SWing the roH np gainSf the blonk to bo preSSed npon it-to bend it do n fonnd ajnd npon tho forInef. In thiS Svving of the ro11 it desoribeS abonf threeuarterS of a revolntion froTn front to fer and iS Set forWaTd in the SlotS to bring it againSt the verbio1 Standing part of the blank and iS II1intained in Suoh oontaot by latoheS 17, pivoted to tho aI'lnS and'engaged vvith the jo11rn1pinS 18 of the roll, preferaJbly on the outer sideS of the rn1S. In thiS operationthe SWing oveI' of the preSSuro-ro11 by itS hand-bar fofoes the blank to tho oom )lete trough form over and upon the forIner, nd thiS SWing of the ro11 iS, made afte the bead haS been forn1ed and the b1nk .held in The trongh havingbeen thus for1ned, the jW iS opened and the beadingbar iS relnoved vvith the fo[ned tfough on it and f1oIn v7hioh the grooved bar iS Tvithdrvvn and the operafion repeated.

To forIn troughS of different SiZoS I )fefer fo nlake the troghforIner vvith a re11ovable oylinder-Seotion and Seoure it by end p1teS 11pon tho xed jw, and theTeby provide foI' nsing difforent SizeS of oylinderS on the xed jav, aS in ig. 5. 1heSe p1LteS are*bolted to the ehdS of the oylinder and are SoreWtppod to feoeive the pivoting-SorevvS of the SWing- I prefor to n1ake the jWs of Wood nd the gfoove of the xed jvv lIleta1-1iI1ed to with Stand the bead-forming operation.

- Befefring to EigS. 1 and 2, if is. impofnt to nofe that the hand-br 7 iS So pivotod to the hanging arS 6 of the fook-jaW that while the bar Serves S the nleons fof oloSing the javv tho rII1s 8 Sefve alSo aS )I1Sh aI'nS or leverS for looking the jaW When olosed, and in thiS looking fonotion the pnSh a1 TnS are brought froIn a verfioal to a horizonta1 position With a pTeSSing or pnShing aotion ginSt Vforeover, S the aI'II1S 6 stnd down frotn the jaw and the uShrmS 8 sWing l1p in opening the jaw, nd aShoSe bvvo aTII1S are pivoted together below the vv, the leaSt preSSure OD the hand-bar 7 fo sWing it up oaoses bhe jW to be rooked on itS boltS and to open.

In produoing fhe beaded frough, the bead hving been fornled upon thoblank,fhe presthot the operotion of forning the bed and the tfoogh iS oontinuooS. In this operbi0 it iS iInportant that the preSSure-ron oarrier be Inaintained in a, 11orizontal poSifion, aJ11(1 for thiS purpoSo the top of the rook-javv forlTlS aM SeaMb on vvhioh the preSSnro-ro11. TestS in po Sifion fo be Set againSf the blank, S in ]Tig. 3. A trough-Seotion thuS beaded nd fonned iS ordinarily about ten feet long, ond to ren deI' the preSSnfe of the jawS uniforn1 upon the beading-ba,I I prefer to provide the rook jaw With a tnnlfiple of hnging afmS and pivof to eaoh the handlo pnSharn, v 11ioh ongages the franle StndrdS t the endS nd n1edi ately of the length of the rook jaW. The preSSing aofion of the arnlS, hovvever, iS liI11- ited, So aaS to Snngly hold the bar in fhe jaJv7 grooveS, 1lovving it to freely turn in forn1ing tho beaJd.

The arrangement of the pivofed jW and of the preSSnre-roll giveS the advantage of Snp pofting the fraJtne of the preSsnre-fo11initS norfnal )osition upon the bop of the Took-jaW in itS oloSed and iI1 itS opened position,- So tht there iS 110 intefferenoe of tho ro11v7ith the jv7, v11ioh oan be oponed and oloSed vhile tho ro11 iS Seated II )o11 it.

L In a Sheef-netLbending nlaohine and i11 oombination vvith jaws one of Whioh iS pivot ed, and a forrning-oy1inder, of preSSoreTon ond SvVingoafrior therofor pivotally n1ount ed in theends of the oylinder and normany supported upon he pivoted avv and 1TleanS vvhereby the preSsnrero11 iS Sef in- Said oaf I'ier toWrd nd froII1 the cylindef.

2. In aSheet-IIleta1-bending IIlaohine and i1 ooInbination With a Xed forT1ingoy1indeT, nd jaWS one of Whioh iS pivofed, of arIIlS )ivoflly lnounted 011 the oylindel', oonneoted by handle-bar and having S1ots, a presSure-ro11 tnounted iI1 the S1otS apd JneonS Whereby it iS Sef and held in oonfaot vvith the oylinder fof bending a sheef over thereon- 3. I1av Inaohine for fornoing eaveS-troughS and in oon1binafion vvith fixedoyHndrioal for1]r1er a bead-forn1ing br, a pair of gfooved javvS and IneanS for olosing one of thelI1 upon the other, of aJ preSSure-roll, SWing-frTne thorefor, pivotany 1]1ountod in the endS of the oylindeT to oarry the ro11i1 oontaot therevvifh froIn the front to the rear, Whereby the b1nk iS both beaded and tronghfOfmed.

In a Inachine for fofI11ing eaveStroughS, a Supporting-fraJnle, paJir of grooved jWS one of whioh terminteS in a topfofIning cy1 inder and is provided Wibh nutted boltS npon Which the other jaw iS Inonnted to have a Tooking n1ovenlent, arInS dependingfro11 the Tooking aJv and aJ handbr pivoted to Sid arn1S aT1d provided vvith rollS for engaJging the fTame whereb to rock and e1OSe and lock the jow opon the bedfor1ing bar.

5. In aj D1aohine for forn1ing beadedoaveS- troughs a xed fofmingoy1inde aJ bedform ingbr and rookingjavv Supplemented by a SWing-pressure roll norTn11y Supportod npon the Tooking jL Ioo 

